--- a/layout/style/ServoStyleContext.cpp
+++ b/layout/style/ServoStyleContext.cpp
@@ -17,21 +17,20 @@ namespace mozilla {
 
 ServoStyleContext::ServoStyleContext(
     nsStyleContext* aParent,
     nsPresContext* aPresContext,
     nsIAtom* aPseudoTag,
     CSSPseudoElementType aPseudoType,
     ServoComputedDataForgotten aComputedValues)
   : nsStyleContext(aParent, aPseudoTag, aPseudoType)
+  , mPresContext(aPresContext)
   , mSource(aComputedValues)
 {
-  mPresContext = aPresContext;
   AddStyleBit(Servo_ComputedValues_GetStyleBits(this));
-
   FinishConstruction();
 
   // No need to call ApplyStyleFixups here, since fixups are handled by Servo when
   // producing the ServoComputedData.
 }
 
 void
 ServoStyleContext::UpdateWithElementState(Element* aElementForAnimation)